The death of Australian doctor William McBride, who helped expose thalidomide as a drug that caused birth defects, hit the headlines on Thursday. But what is thalidomide, and what exactly did Dr McBride do?

As Pauline Hanson prepares to deliver her maiden speech to the Senate, we take a look at her prediction Australia would be "swamped by Asians" in her maiden speech to the House of Representatives 20 years ago.